package com.atguigu.gulimall.cart.vo;

import lombok.Data;

import java.math.BigDecimal;
import java.util.List;

@Data
public class Cart {
    List<CartItem> items;
    private Integer countNum;
    private Integer countType;
    private BigDecimal totalAmount;
    private BigDecimal reduce = new BigDecimal("0.00");

    public Integer getCountNum(){
        int count=0;
        if (items!=null && items.size()>0){
            for (CartItem item : items) {
                count+=item.getCount();
            }
        }
        return count;
    }

    public Integer getCountType(){
        int count=0;
        if (items!=null && items.size()>0){
            for (CartItem item : items) {
                count+=1;
            }
        }
        return count;
    }

    public BigDecimal getTotalAmount(){
        BigDecimal amount = new BigDecimal("0");
        if (items!=null && items.size()>0){
            for (CartItem item : items) {
                if (item.getCheck()){
                    BigDecimal totalPrice = item.getTotalPrice();
                    amount=amount.add(totalPrice);
                }
            }
        }
        BigDecimal subtract = amount.subtract(getReduce());
        return subtract;
    }
}
